[INFO] fetching crate logging_content 0.1.1... [INFO] checking logging_content-0.1.1 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate logging_content 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate logging_content 0.1.1 [INFO] finished tweaking crates.io crate logging_content 0.1.1 [INFO] tweaked toml for crates.io crate logging_content 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate logging_content 0.1.1 on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate logging_content 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 461d63b2beeee38c3ed52d7d2bc9a687c4b884db569f578ba649651eadd94c66 [INFO] running `Command { std: "docker" "start" "-a" "461d63b2beeee38c3ed52d7d2bc9a687c4b884db569f578ba649651eadd94c66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "461d63b2beeee38c3ed52d7d2bc9a687c4b884db569f578ba649651eadd94c66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "461d63b2beeee38c3ed52d7d2bc9a687c4b884db569f578ba649651eadd94c66", kill_on_drop: false }` [INFO] [stdout] 461d63b2beeee38c3ed52d7d2bc9a687c4b884db569f578ba649651eadd94c66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 138344c702a440e95ea190e1761788a3ded768740cd2a5ec741a63fe5b9e4b0b [INFO] running `Command { std: "docker" "start" "-a" "138344c702a440e95ea190e1761788a3ded768740cd2a5ec741a63fe5b9e4b0b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking similar v2.1.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking logging_content v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking time v0.3.9 [INFO] [stderr] Checking simplelog v0.12.0 [INFO] [stderr] Compiling serial_test_derive v0.7.0 [INFO] [stderr] Checking serial_test v0.7.0 [INFO] [stderr] Checking serde_yaml v0.8.24 [INFO] [stderr] Checking insta v1.14.1 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (865) panicked at /rustc-dev/66388cc165a6c4ac98c074dc9f0281ff23528c55/compiler/rustc_ast/src/attr/mod.rs:302:36: [INFO] [stderr] attribute is missing tokens: Attribute { kind: Normal(NormalAttr { item: AttrItem { unsafety: Default, path: Path { span: src/option.rs:44:1: 44:8 (#7), segments: [PathSegment { ident: #7, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(17), style: Outer, span: src/option.rs:44:1: 44:8 (#7) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x72c03022bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x72c03080fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x72c030242226 - ::write_fmt [INFO] [stderr] 3: 0x72c030201b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x72c03021f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x72c02f20236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x72c03021fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x72c030201c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x72c0301f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x72c03020372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x72c02ce38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x72c0315e0110 - ::token_trees [INFO] [stderr] 12: 0x72c031e1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x72c031de65d2 - ::expand_crate [INFO] [stderr] 14: 0x72c030ef0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x72c031a07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x72c031a073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x72c031a073a7 - >::call_once [INFO] [stderr] 18: 0x72c0319ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x72c0319ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x72c031b7127b - , rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2}>::{closure#2} as core[75ca2badb63c4514]::ops::function::FnOnce<(&rustc_session[1e6875ba352dc1ba]::session::Session, rustc_middle[2342951a64deba5]::ty::context::CurrentGcx, alloc[d7482eb0f1d19161]::sync::Arc, &std[7d609349af90bec6]::sync::once_lock::OnceLock, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal, rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0} [INFO] [stderr] 21: 0x72c031a5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x72c0318eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x72c0318eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x72c0318ed138 - ::new::thread_start [INFO] [stderr] 25: 0x72c02b48aaa4 - [INFO] [stderr] 26: 0x72c02b517a64 - clone [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: please make sure that you have updated to the latest nightly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-01-08T20_34_42-862.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.94.0-nightly (66388cc16 2026-01-08) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] #0 [resolver_for_lowering_raw] getting the resolver for lowering [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `logging_content` (lib test) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name logging_content --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=46bd887e8858f26f -C extra-filename=-84f900982bdf1d0a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern insta=/opt/rustwide/target/debug/deps/libinsta-d63e5b8425cb5d16.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0746c79d093427c1.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-c29e33386253cf89.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c19f0dcf12caaaa9.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-07b2bf3f02433e95.rmeta --extern simplelog=/opt/rustwide/target/debug/deps/libsimplelog-b98e84fa43c98c56.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-57cbb797c30eb281.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "138344c702a440e95ea190e1761788a3ded768740cd2a5ec741a63fe5b9e4b0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "138344c702a440e95ea190e1761788a3ded768740cd2a5ec741a63fe5b9e4b0b", kill_on_drop: false }` [INFO] [stdout] 138344c702a440e95ea190e1761788a3ded768740cd2a5ec741a63fe5b9e4b0b